The woman drove into high-tension cables and wedged the vehicle beneath a steel beam, KAAL says. Firefighters believe the woman either drove too far and too fast while parking or hit the gas pedal instead of the brake.

"The car was pretty wedged. There's a beam above it, approximately a 3-foot gap between the top beam and the concrete. The car was wedged in between. It would have taken a much greater force than just accidentally running into it to go through," Battalion Chief Bill MacMongle with the Rochester Fire Department told KAAL.

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The incident happened after 8 a.m. Friday at the Damon Ramp at the Mayo Clinic. Around 10 a.m., a tow truck yanked the vehicle back inside the parking garage, KTTC says.

The newspaper criticized the Rochester hospital's decision to build proton beam cancer facilities, saying the move is a medical "arms race" that ignores cheaper and equally effective alternatives. Hospital officials say the move is in the best interests of their patients.

The six-member team landed at the Minneapolis-St. Paul International Airport Saturday night. The researchers were monitoring a group of climbers to study how high altitude impacts the heart, lungs and sleep.